ChordMapMidi vs Snare Drill
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ChordMapMidi
This app is a MIDI controller for exploring musical chords and progressions in major and minor keys. It sends note information to other synthesizer apps on your device, making it a portable tool for musicians and educators.
- Explore chords and progressions
- Major and minor keys
- MIDI controller functionality
- Sends note information to synth apps
- Portable music tool
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ChordMapMidi allows you to explore chords and chord progressions in both major and minor keys, one finger tap at a time. Note: ChordMapMidi is a MIDI controller. It doesn't create sound on its own. It sends note information to synthesizer apps you have on your device. ChordMapMidi is useful for songwriters, MIDI musicians, music educators... especially in places where the only instrument you have is the phone in your pocket. Have fun exploring chords and progressions!
Snare Drill
This app generates randomized snare drum exercises to help you improve your sight-reading abilities. Select a tempo and follow along with the metronome, with automated page turns for a seamless practice experience.
- Randomized snare drum exercises
- Built-in pattern pool
- Adjustable tempo
- Metronome beat
- Automated page turns
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Generate snare-drum exercises on the fly and improve your sight-reading skills. The app generates randomized snare drills from a built-in pool of common patterns. Select a tempo and play the exercises following the metronome beat. Page turns are automated.
Screenshots
Verdict
The clearest difference is review sentiment: ChordMapMidi at 53% against Snare Drill's 0%. ChordMapMidi also leads on rating (5.0 vs 1.0) and update cadence (every 8 months vs every 103 months). Snare Drill's advantage is price ($1.99 vs $3.99). On ads, in-app purchases, monetization model and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
ChordMapMidi costs $3.99 and Snare Drill $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
ChordMapMidi holds the better App Store score, 5.0 against 1.0. That said, the two scores are not equally well evidenced: ChordMapMidi has 5 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 53% of ChordMapMidi's written reviews are positive against 0% of Snare Drill's.
ChordMapMidi ships an update every 8 months, Snare Drill every 103 months. The most recent releases landed on October 23, 2026 and October 16, 2026 respectively.
| Parameter | ChordMapMidi | Snare Drill |
|---|---|---|
| Price | $3.99 | $1.99 — better |
| Rating | 5.0 (5 ratings) — better | 1.0 (1 ratings) |
| Positive reviews | 52.9% of reviews — better | 0.0% of reviews |
| Number of ratings | 5 — better | 1 |
| Update frequency | Every 8 months — better | Every 103 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 16.6 — better | 17.0 |
| Further details — not scored | ||
| Size | 4 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | Malcolm Mugglin | Kilian IT-Consulting |
Customer experience
ChordMapMidi
Snare Drill
In-app purchases
ChordMapMidi
No in-app purchases
Snare Drill
No in-app purchases
